Plant Cell vs. Animal Cell

Plant and animal cells have several differences and similarities. For example, animal cells do not have a cell wall or chloroplasts but plant cells do. Animal cells are round and irregular in shape while plant cells have fixed, rectangular shapes.

Plant and animal cells are both eukaryotic cells, so they have several features in common, such as the presence of a cell membrane, and cell organelles, like the nucleus, mitochondria and endoplasmic reticulum.

Chloroplasts

Plants are autotrophs; they produce energy from sunlight through the process of photosynthesis, for which they use cell organelles called chloroplasts. Animal cells do not have chloroplasts. In animal cells, energy is produced from food (glucose) via the process of cellular respiration. Cellular respiration occurs in mitochondria on animal cells, which are structurally somewhat analogous to chloroplasts, and also perform the function of producing energy. However, plant cells also contain mitochondria.

Shape

Another difference between plant cells and animal cells is that animal cells are round whereas plant cells are rectangular.

Further, all animal cells have centrioles whereas only some lower plant forms have centrioles in their cells.

Cell Wall

Plant cells have a rigid cell wall that surrounds the cell membrane. Animal cells do not have a cell wall. When looking under a microscope, the cell wall is an easy way to distinguish plant cells.

Vacuoles

Shape and size of vacuoles

Animal cells have one or more small vacuoles whereas plant cells have one large central vacuole that can take up to 90% of cell volume.

Difference in function of vacuoles

In plant cells, the function of vacuoles is to store water and maintain turgidity of the cell. Vacuoles in animal cells store water, ions and waste.

Pictures of plant and animal cells

Structure of a Typical Plant Cell (click to enlarge)

Structure of a Typical Animal Cell (click to enlarge)

Video Comparing Plant and Animal Cells

This video summarizes the differences between animal and plant cells:

For a more in-depth look at the differences between plant and animal cell organelles, see this video.

Types of plant cells

This is a picture of the various types of plant cells, including xylem, phloem, sclerenchyma and collenchyma.

Comments: Animal Cell vs Plant Cell

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January 21, 2014, 9:35pm

Shapes are SO varied across plant and animal cells that they should NEVER be used as a comparison... e.g. columnar epithelial cells in animals are cuboidal and parenchyma cells in plant stems are spherical.